By Edgary Rodríguez R., Dec 14, 2022
In addition to the pressure in the venous system, the causes are related to hormonal changes. Specifically, progesterone relaxes the vascular walls and decreases the functionality of the valves, said Kecia Gaither, M.D., board-certified in OB-GYN and maternal-fetal medicine and director of perinatal services/maternal-fetal medicine at NYC Health + Hospitals/Lincoln in the Bronx in New York City. The increase in blood flow throughout gestation, fluid retention and the mother’s weight gain, which is inherent in pregnancy, are all factors contributing to the formation of these veins as well. “Additionally, the weight of the growing fetus increases one’s susceptibility to varicosities,” Gaither added.
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